. >> remember rebecca guarde, the victim who got away? the prostitute who struggled and ran?gway, you recall, had shown her his kenworth i.d. in an attempt to make her believe he was not the green river killer. of course, he didn't intend to let her live to tell about it, but she did live and tell police, just not soon enough. >> i thought for many years that he was out still looking for me. >> he later admitted to investigators that she was one of his biggest mistakes. >> she eventually told the task force and that was one of the reasons why they were investigating me. that was my downfall of it. the detective says if you would have killed her, we wouldn't have found you like this. >> after hours and hours of tough questioning, task force interrogators could not resist rubbing it in. they taunted ridgway about getting caught literally with his pants down. >> if you were such an accomplished killer, gary, how did rebecca guarde get away from you? >> i had my pants down around my ankles and i couldn't get them around her waist to hold her. otherwise if i would have, i would ha

>> no. >> jose malvar and rebecca guarde weren't the only ones to tell the green river task force about gary ridgway. in 1984 and again in '86, two other prostitutes told them they thought ridgway was connected to the disappearance of two of their friends who were working the streets. but it took until 1987 before detectives launched an investigation. they interviewed ridgway's former girlfriends and wives. and the picture that emerged was that of a sexually aggressive young man who had trouble with relationships from early on. police learned that gary ridgway was already 20 when he graduated from high school in 1969. that he joined the navy and got married that same summer. he and his wife moved to san diego. by the time gary returned from a six-month tour of duty cruise, his wife was romantically involved with another man. according to police documents, he accused her of being a whore and giving him sexually transmitted diseases, diseases navy records show he had before going to sea. ridgway acquaintances said he often complained that he gotten venereal diseases from prostitutes. his